*{
    margin: 0px;
    padding: 0px;

}

body>div{
    width: 1200px;
    background-color: rgb(250 250 250);
}





.button{
    background-color: #232323;
    width: 1200px;
    height: 60px;
}

.button>div>div:nth-child(1){
    background-image: url(../img/QQ_hover.png);
    width: 34px;
    height: 34px;
    margin: 0px 3px 0px 3px;
}

.button>div>div:nth-child(2){
    background-image: url(../img/sina_hover.png);
    width: 34px;
    height: 34px;
    margin: 0px 3px 0px 3px;
}
.button>div>div:nth-child(3){
    background-image: url(../img/wechat_hover.png);
    width: 34px;
    height: 34px;
    margin: 0px 3px 0px 3px;
}

